2022 Manitoba Workplace Safety and Health Act and Regulation

Manufactured or wood planks
28.10(1) Where a scaffold platform consists of commercially manufactured
planks, an employer must ensure that the planks are used, stored,
inspected and maintained in accordance with the manufacturer’s
specifications.
28.10(2) When a scaffold platform consists of wood planks, an employer must
ensure that
(a) each individual plank is secured to prevent movement;
(b) the planks
(i) are constructed of nominal 50 mm x 250 mm No. 1
construction grade lumber (S-P-F),

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Workplace Safety And Health Regulation
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(ii) are 5 m or less in length and have the same thickness as the
adjoining planks,
(iii) are laid tightly together side-by-side with adjoining planks
to cover the full width of the scaffold platform, and
(iv) extend at least 150 mm, but not more than 300 mm,
beyond the end supports of the scaffold; and’
(c) if the planks overlap,
(i) the overlap must be centred directly over a vertical support
of the scaffold, and
(ii) despite subclause (b)(iv), the overlapping planks extend at
least 300 mm beyond the end supports of a scaffold.
28.10(3) Where the platform consists of wood planks, an employer must
ensure that the scaffold has vertical supports for the planks at least
every 2.5 m.
Work limitations
28.11 
An employer must ensure that a worker who installs, alters or
dismantles a scaffold
(a) works from a section of the scaffold that conforms with the
requirements of this Part; or
(b) uses a fall protection system that meets the requirements of
Part 14 (Fall Protection).
Competent persons to supervise and inspect
28.12
An employer must appoint one or more competent persons who are
responsible for
(a) supervising the installation, dismantling and removal of a
scaffold;
(b) inspecting the components of a scaffold for defects before the
scaffold is first used, and after that, before it is used on any